hg: lambda/lambda/jdk: Change the split until null into a stack-based implementation

[paul.sandoz at oracle.com]

Changeset: 8cd24eef2793
Author:    psandoz
Date:      2013-02-11 11:00 +0100
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/8cd24eef2793

Change the split until null into a stack-based implementation
to avoid potential overflows, if the split returns an estimate
of 0 or trySplit return null then traverse.

! src/share/classes/java/util/stream/Streams.java
! test-ng/bootlib/java/util/stream/SpliteratorTestHelper.java